From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 21 Jan 2016 16:45:58 +0000 (-0500)
Subject: urcu_ref_get_safe: introduce new API
X-Git-Tag: v0.10.0~55
X-Git-Url: http://git.lttng.org/?a=commitdiff_plain;h=8b4b5a1a5f8587cb995391e4f49d03674ec60c0c;hp=8b4b5a1a5f8587cb995391e4f49d03674ec60c0c;p=urcu.git

urcu_ref_get_safe: introduce new API

Add a urcu_ref_get_safe API, which returns a boolean. It takes the value
"false" if a LONG_MAX overflow would occur (get is not performed in this
case), or true otherwise.

It warns the user (at compile-time) if the return value is unchecked.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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